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Varicose Veins are known to increase the risk of blood clots.
  • Varicose veins may increase risk of developing blood clots
  • These are the veins which have become enlarged or twisted
  • Researchers are finding ways to reduce the harm done by them

Varicose veins may increase the risk of developing potentially dangerous blood clots, according to a study.

Varicose veins are veins that have become enlarged and twisted, most commonly appearing in the legs and feet. Not much is known about them and the risk of other vascular diseases including a type of blood clot known as a deep venous thrombosis (DVT), pulmonary embolism (PE) and peripheral artery disease (PAD).



These veins are the veins which are either twisted or enlarged. Wikimedia Commons

Researchers from China Medical University analysed 212,984 patients with varicose veins and 212,984 without them from claims data in Taiwan’s National Health Insurance programme.

Also Read: Seven percent of India’s youth suffer from varicose veins

Patients were enrolled from 2001 to 2013 and followed up through 2014.The study, published in the journal JAMA, found that these veins were associated with increased risk of DVT. More research is needed to understand whether that association is causal or if it reflects a common set of risk factors, the researchers said.


These veins can also cause DVT. Pixabay

Findings about potential associations between these veins and risk of PE and PAD were less clear because of possible confounding factors, according to Pei-Chun Chen, from China Medical University.

Since claims data does not include information for patients who do not seek medical care, the results may reflect only the risk among patients with more severe varicose veins requiring medical treatment, researchers said. IANS


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